C08L2201/52

Binder composition for an electrode and methods for producing the same
11502301 · 2022-11-15 · ·

The presently disclosed and/or claimed inventive process(es), procedure(s), method(s), product(s), result(s), and/or concept(s) (collectively hereinafter referred to as the “presently disclosed and/or claimed inventive concept(s)”) relates generally to the composition of a binder for use in battery electrodes and methods of preparing such. More particularly, but not by way of limitation, the presently disclosed and/or claimed inventive concept(s) relates to a binder composition containing an ionizable water soluble polymer and a redispersible powder containing a latex, a protective colloid, and an anticaking agent for use in the production and manufacture of electrodes of a lithium ion battery. Additionally, the presently disclosed and/or claimed inventive concept(s) relates generally to the compositions and methods of making electrodes, both anodes and cathodes, with a binder composition containing an ionizable water soluble polymer and a redispersible powder.

Aqueous acrylic polymer latexes and their use as binders

The present invention relates to aqueous acrylic polymer latexes, which are suitable as binders in coating compositions for providing flexible roofing. The present invention also relates to coating compositions containing such binders, which are suitable for providing flexible roofing. The aqueous acrylic polymer latexes have a glass transition temperature T.sub.g of at most from −10° C., in particular at most −20° C., or, in case of a multi-stage polymer latex a weight average glass transition temperature T.sub.g of at most from −10° C., where the polymer of the acrylic polymer latex has a carbon polymer backbone formed by polymerized ethylenically unsaturated monomers M comprising acrylic monomers, and where the carbon polymer backbone bears functional groups of the formula (I) attached to carbon atoms of the polymer backbone *—C(═O)—O-[A-NH].sub.nH (I) where the asterisk indicates the atom attached to a carbon atom of the polymer backbone, n is an integer, the number average of n in all functional groups of the formula (I) being >1, in particular at least 1.1 or at least 1.2 or at least 1.3, and A is selected from the group consisting of 1,2-ethandiyl or 1,2-propandiyl, where the functional groups of the formula (I) contribute to the total weight of the polymer in the acrylic polymer latex by 0.1 to 10% by weight.

AQUEOUS EMULSION INCLUDING INTERPENETRATING NETWORK OF SILICONE GUM AND CROSSLINKED ORGANIC POLYMER

An aqueous emulsion comprising particles having an average volume particle size (Dv 50) of 1 to 10 pm wherein the particles comprise an interpenetrating polymer network including from 90 to 99 wt % silicone gum and 1 to 10 wt % of crosslinked organic polymer, methods for making such aqueous emulsions, polyurethane coating compositions including such interpenetrating polymer networks, methods of preparing such polyurethane coating compositions, and their use in treating leather.

SOUND DEADENER COMPOSITION
20230091709 · 2023-03-23 ·

This invention relates to a sound deadener composition, comprising at least two carboxyl functional polymers with different glass transition temperatures (Tg); at least one organic compound with at least two aziridinyl groups per molecule; and water. The reaction between at least two carboxyl functional polymers with different glass transition temperatures (Tg) and at least one organic compound with at least two aziridinyl groups per molecule forms an IPN structure reaction product so that the cured product of the sound deadener composition according to the present invention exhibits widened temperature range for effective damping.

DYNAMIC COVALENT POLYMERIZATIONS WITH ELEMENTAL SULFUR AND SULFUR PREPOLYMERS
20230089692 · 2023-03-23 ·

An iterative approach to dynamic covalent polymerizations of elemental sulfur with functional comonomers to prepare sulfur prepolymers that can further react with other conventional, commercially available comonomers to prepare a wider class of functional sulfur polymers. This iterative method improves handling, miscibility and solubility of the elemental sulfur, and further enables tuning of the sulfur polymer composition. The sulfur polymers may be a thermoplastic or a thermoset for use in elastomers, resins, lubricants, coatings, antioxidants, cathode materials for electrochemical cells, and polymeric articles such as polymeric films and free-standing substrates.

LATEX COMPOSITION PRODUCTION METHOD
20230070718 · 2023-03-09 · ·

A method for producing a latex composition, the method comprising a provision step of providing a conjugated diene polymer latex; a preparation step of adding a sulfur-based vulcanizing agent and a xanthogen compound to the conjugated diene polymer latex to prepare a latex composition before aging; and an aging step of, after the preparation of the latex composition before aging, aging the prepared latex composition before aging through storing of the latex composition at a temperature of 5 to 60° C. for 12 hours to 14 days, wherein the pH of the latex composition after 12 hours from the start of aging in the aging step is controlled to 9 or more.

FINELY DIVIDED AQUEOUS PARTICLE-STABILIZED PICKERING EMULSION AND PARTICLES PRODUCED THEREFROM
20230064513 · 2023-03-02 · ·

An aqueous, particle-stabilized Pickering emulsion along with methods or processes for producing the same and particles produced therefrom.

POLYORGANOSILOXANE-CONTAINING POLYMER PARTICLE GROUP, COMPOSITION, RESIN COMPOSITION, AND MOLDED BODY

Polyorganosiloxane-containing polymer particles comprising: a polymer (A) comprising a polyorganosiloxane (A1) and a first vinyl polymer (A2); and a second vinyl polymer (B), wherein a proportion of particles satisfying formula (1) is less than 60%:


M/L>0.1  (1),

wherein L is a diameter of each particle of the polyorganosiloxane-containing polymer particles, as determined in an observation using a transmission electron microscope with respect to a cross section of a resin piece obtained by dispersing the polyorganosiloxane-containing polymer particles in a resin, and M is a maximum domain length of the polyorganosiloxane (A1) in the observation.

Vinylidene fluoride and trifluoroethylene containing polymers latexes

The invention provides novel latexes of particles of vinylidene fluoride/trifluoroethylene copolymers possessing a more ordered ferroelectric crystalline phase, and hence improved ferro-, pyro-, and piezo-electric properties, and a method for manufacturing the same by emulsion polymerization in the presence of certain cyclic fluorosurfactants.

POLYMER WITH LOW MOLECULAR WEIGHT PORTION AND HIGH GLASS TRANSITION TEMPERATURE PORTION FOR EARLY BLOCK RESISTANCE

Polymers including single-stage and multi-stage polymers that combine the properties of the structural integrity of a polymer with a high glass transition temperature (Tg) with a softer, lower molecular weight polymer that coalesces quickly and is flexible to maintain scrubbability are disclosed. The single-stage or an outer stage of the multi-stage polymer contains both a cross-linking monomer and a chain transfer agent at different portions of the stage. Architectural compositions containing these film-forming polymers exhibit anti-blocking properties within one hour from being applied to a substrate.